Yahoo! Inc. (NASDAQ: YHOO) is an American public corporation headquartered in Sunnyvale, California, (in Silicon Valley), that provides Internet services worldwide. The company is perhaps best known for its web portal, search engine (Yahoo! Search), Yahoo! Directory, Yahoo! Mail, Yahoo! News, advertising, online mapping (Yahoo! Maps), office productivity, video sharing (Yahoo! Video), and social media websites and services. Yahoo! was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 1, 1995. On January 13, 2009, Yahoo! appointed Carol Bartz, former executive chairperson of Autodesk, as its new chief executive officer and a member of the board of directors.[4] According to Web traffic analysis companies (including Compete.com, comScore,[5] Alexa Internet,[6] Netcraft,[7] and Nielsen Ratings[8]), the domain yahoo.com attracted at least 1.575 billion
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